Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.95
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -3.75 -0.375 1.40
Prot (kg) -1.64 -0.441 0.72
Fertility Sub Index 0.16
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) -0.18 1.117 -0.20
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index -0.16
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 5.39 -0.432 -2.33
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 4.82

* Based on an €80/tonne carbon price